Epic Systems LeetCode Questions
15 questions all-time · 3 easy · 11 medium · 1 hard
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| # | Problem | Difficulty | Frequency | Acceptance | |
|---|---|---|---|---|---|
| 1 | Additive Number | Medium | 100 | 0.3% | |
| 2 | Letter Combinations of a Phone Number | Medium | 90 | 0.7% | |
| 3 | Spiral Matrix | Medium | 90 | 0.6% | |
| 4 | Self Dividing Numbers | Easy | 85 | 0.8% | |
| 5 | Valid Parentheses | Easy | 84 | 0.4% | |
| 6 | Stepping Numbers | Medium | 82 | 0.5% | |
| 7 | Angle Between Hands of a Clock | Medium | 71 | 0.7% | |
| 8 | Word Search | Medium | 68 | 0.5% | |
| 9 | Bulls and Cows | Medium | 57 | 0.5% | |
| 10 | Two Sum | Easy | 57 | 0.6% | |
| 11 | Count Primes | Medium | 57 | 0.4% | |
| 12 | Palindromic Substrings | Medium | 49 | 0.7% | |
| 13 | Permutations | Medium | 49 | 0.8% | |
| 14 | Longest Palindromic Substring | Medium | 49 | 0.4% | |
| 15 | Longest Increasing Path in a Matrix | Hard | 49 | 0.6% |
How to read this list
The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.
Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.